VotePredictor
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Iowa District 3 election, 2026

Sarah Trone Garriott vs. Zach Nunn.

VotePredictor forecast
Sarah Trone Garriott favored
Likely D · predicted margin D+7.8
87%
chance to win
2024 presidential lean
R+3.1
2026 national environment
D+5.5
Model uncertainty
±6.9 points

Fundamentals model using district presidential lean, incumbency and the national environment. It is not a poll average.

Democratic

Sarah Trone Garriott

Major-party general-election nominee.

Polls

No district-level 2026 general-election poll is currently in VotePredictor's verified polling feed for IA-3. The forecast above therefore uses fundamentals only. A poll table will appear here when matched polls are available.

Other forecasts

We have not yet ingested a district rating from these independent forecasters for IA-3; links go to their current national House ratings. Missing is shown as missing—not converted into a probability.

Candidate news

Candidate field source: 2026 House election roster ↗

Nearby in the directory: IA-2 · IA-4